extracting option definitions: option method instead of attr_reader and parsing in parse_options
fixed typos
jpegoptim max_quality limiting to 0..100
--verbose option description
option description as string instead of comment
OptionDefinition class, explicit class where can't be guessed
output DEV when can't get version from Gem
Worker#undersored_name.to_sym => Worker#bin_sym as it is only used like this
TrueFalseNil class when nil should be handled for boolean
parsing worker options, headers for other options, conformed option value marker style
OptionDefinition#name should be a symbol
ruby1.9 can't abort with exception argument
print options if verbose
script to generate worker options description as markdown
updated readme with worker options #5
readme: disabling workers
Merge branch 'options-parsing'
v0.8.0 jpegrescan; parsing options of workers